static void __add_trace(struct io *iop)
{
time_t now = time(NULL);
n_traces++;
iostat_check_time(iop->t.time);
if (verbose && ((now - last_vtrace) > 0)) {
printf("%10lu t (%6.2lf%%)\r", n_traces, pct_done());
if ((n_traces % 1000000) == 0) printf("\n");
fflush(stdout);
last_vtrace = now;
}
switch (iop->t.action & 0xffff) {
case __BLK_TA_QUEUE: trace_queue(iop); break;
case __BLK_TA_REMAP: trace_remap(iop); break;
case __BLK_TA_INSERT: trace_insert(iop); break;
case __BLK_TA_GETRQ: trace_getrq(iop); break;
case __BLK_TA_BACKMERGE: trace_merge(iop); break;
case __BLK_TA_FRONTMERGE: trace_merge(iop); break;
case __BLK_TA_REQUEUE: trace_requeue(iop); break;
case __BLK_TA_ISSUE: trace_issue(iop); break;
case __BLK_TA_COMPLETE: trace_complete(iop); break;
case __BLK_TA_PLUG: trace_plug(iop); break;
case __BLK_TA_UNPLUG_IO: trace_unplug_io(iop); break;
case __BLK_TA_UNPLUG_TIMER: trace_unplug_timer(iop); break;
case __BLK_TA_SLEEPRQ: trace_sleeprq(iop); break;
default:
io_release(iop);
return;
}
}
void install_malloc_tracer()
{
tracer.start = malloc_trace_start;
tracer.stop = malloc_trace_stop;
tracer.reset = malloc_trace_reset;
tracer.dump = malloc_trace_dump;
tracer.id = "memory";
trace_insert(&tracer);
}
void install_mysql_tracer()
{
tracer.start = mysql_trace_start;
tracer.stop = mysql_trace_stop;
tracer.reset = mysql_trace_reset;
tracer.dump = mysql_trace_dump;
tracer.id = "mysql";
trace_insert(&tracer);
}
